如何讓你的Nginx支持分布式追蹤詳解

ngx_http_opentracing_module.so/config was found

	/root/nginx-opentracing-0.25.0/opentracing//src/ngx_http_opentracing_module.cpp
In file included from /root/nginx-opentracing-0.25.0/opentracing//src/ngx_http_opentracing_module.cpp:1:0:
/root/nginx-opentracing-0.25.0/opentracing//src/load_tracer.h:3:38: fatal error: opentracing/dynamic_load.h: No such file or directory

cd gcc-5.4.0
./contrib/download_prerequisites

mkdir gcc-build-5.4.0
cd gcc-build-5.4.0

/usr/local/src/gcc-5.4.0/configure \
	--enable-checking=release \
	--enable-languages=c,c++ \
	--disable-multilib
	
make && make install

cd /usr/bin/
mv gcc gcc_back
mv g++ g++_back
ln -s /usr/local/bin/gcc gcc
ln -s /usr/local/bin/g++ g++

configure: error: C++ compiler missing or inoperational

make[2]: \*** [configure-stage1-libcpp] Error 1    
make[2]: Leaving directory `/home/clay/programming/C++/gcc-4.8.1'    
make[1]: \*** [stage1-bubble] Error 2    
make[1]: Leaving directory `/home/clay/programming/C++/gcc-4.8.1'    
make: \*** [all] Error 2

./configure --prefix=/path/to/app

make
make install

LD_LIBRARY_PATH=/usr/local/lib64 ./configure --prefix=/usr/local/cmake

cd jaeger-client-cpp-0.9.0/
mkdir build
cd build
# 這里建議使用下強國特色上網，編譯過程中會使用Hunter自動下載所需的依賴項
ALL_PROXY=http://x.0.0.x:10811 /usr/local/cmake/bin/cmake .. 
make

./configure \
	--user=web_www \
	--group=web_www \
	--with-pcre \
	--with-compat \
	--with-http_ssl_module  \
	--with-http_gzip_static_module \
	--prefix=/root/nginx  \
	--with-http_stub_status_module

nginx: [emerg] module "/root/nginx/conf/ngx_http_opentracing_module.so" is not binary compatible in /root/nginx/conf/nginx.conf:1

{
  "service_name": "nginx", // 服務名
  "sampler": {
    "type": "const",
    "param": 1
  },
  "reporter": {
    "localAgentHostPort": "jaeger:6831" // jaeger agent的地址
  },
  "headers": { // jaeger的默認的jaeger Baggage頭設置
    "jaegerDebugHeader": "jaeger-debug-id",
    "jaegerBaggageHeader": "jaeger-baggage",
    "traceBaggageHeaderPrefix": "uberctx-"
  },
  "baggage_restrictions": {
    "denyBaggageOnInitializationFailure": false,
    "hostPort": ""
  }
}

# 加載 OpenTracing 動態模塊。
load_module conf/ngx_http_opentracing_module.so;
worker_processes  1;
user root root;

events {
    worker_connections  1024;
}
http {
    log_format opentracing '{"timestamp":"$time_iso8601",'
                       '"source":"$server_addr",'
                       '"hostname":"$hostname",'
                       '"ip":"$http_x_forwarded_for",'
                       '"traceID":"$opentracing_context_uber_trace_id",'
                       '"client":"$remote_addr",'
                       '"request_method":"$request_method",'
                       '"scheme":"$scheme",'
                       '"domain":"$server_name",'
                       '"referer":"$http_referer",'
                       '"request":"$request_uri",'
                       '"args":"$args",'
                       '"size":$body_bytes_sent,'
                       '"status": $status,'
                       '"responsetime":$request_time,'
                       '"upstreamtime":"$upstream_response_time",'
                       '"upstreamaddr":"$upstream_addr",'
                       '"http_user_agent":"$http_user_agent",'
                       '"https":"$https"'
                       '}';
	# 加載 tracer，這里使用的jaeger，需要傳遞配置文件
    opentracing_load_tracer conf/libjaegertracing.so conf/jaeger.json;
    # 啟用 tracing 
    opentracing on; 
    # 設置tag，可選參數
    opentracing_tag http_user_agent $http_user_agent;
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;
    server {
        listen       80;
        server_name  localhost;
        location / {
            opentracing_operation_name $uri;
	    opentracing_propagate_context;
            root   html;
            index  index.html index.htm;
        }
	access_log logs/access.log opentracing;
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
}